diff options
author | Chris Robinson <[email protected]> | 2010-08-03 01:09:02 -0700 |
---|---|---|
committer | Chris Robinson <[email protected]> | 2010-08-03 01:09:02 -0700 |
commit | 8e2d7656716eab555446b687be2817f84ceae9bf (patch) | |
tree | 4654150cde135a2c7f2b33080465db02af96db4e /Alc/ALu.c | |
parent | 2af39e51f86ba06ca69064f91cff80b4575524e3 (diff) |
Move active source iteration to aluMixData
Diffstat (limited to 'Alc/ALu.c')
-rw-r--r-- | Alc/ALu.c | 41 |
1 files changed, 16 insertions, 25 deletions
@@ -582,7 +582,8 @@ static __inline ALfloat cos_lerp(ALfloat val1, ALfloat val2, ALint frac) return val1 + ((val2-val1)*mult); } -static void MixSomeSources(ALCcontext *ALContext, float (*DryBuffer)[OUTPUTCHANNELS], ALuint SamplesToDo) +static void MixSource(ALsource *ALSource, ALCcontext *ALContext, + float (*DryBuffer)[OUTPUTCHANNELS], ALuint SamplesToDo) { static float DummyBuffer[BUFFERSIZE]; ALfloat *WetBuffer[MAX_SENDS]; @@ -590,7 +591,6 @@ static void MixSomeSources(ALCcontext *ALContext, float (*DryBuffer)[OUTPUTCHANN ALfloat dryGainStep[OUTPUTCHANNELS]; ALfloat wetGainStep[MAX_SENDS]; ALuint i, j, out; - ALsource *ALSource; ALfloat value, outsamp; ALbufferlistitem *BufferListItem; ALint64 DataSize64,DataPos64; @@ -608,7 +608,6 @@ static void MixSomeSources(ALCcontext *ALContext, float (*DryBuffer)[OUTPUTCHANN ALboolean Looping; ALfloat Pitch; ALenum State; - ALsizei pos; DuplicateStereo = ALContext->Device->DuplicateStereo; DeviceFreq = ALContext->Device->Frequency; @@ -616,22 +615,6 @@ static void MixSomeSources(ALCcontext *ALContext, float (*DryBuffer)[OUTPUTCHANN rampLength = DeviceFreq * MIN_RAMP_LENGTH / 1000; rampLength = max(rampLength, SamplesToDo); - pos = 0; -next_source: - while(ALContext->ActiveSourceCount > pos) - { - ALsizei end; - - ALSource = ALContext->ActiveSources[pos]; - if(ALSource->state == AL_PLAYING) - break; - - end = --(ALContext->ActiveSourceCount); - ALContext->ActiveSources[pos] = ALContext->ActiveSources[end]; - } - if(pos >= ALContext->ActiveSourceCount) - return; - /* Find buffer format */ Frequency = 0; Channels = 0; @@ -1082,10 +1065,6 @@ next_source: ALSource->WetGains[i] = WetSend[i]; ALSource->FirstStart = AL_FALSE; - - if(ALSource->state == AL_PLAYING) - pos++; - goto next_source; } ALvoid aluMixData(ALCdevice *device, ALvoid *buffer, ALsizei size) @@ -1099,7 +1078,7 @@ ALvoid aluMixData(ALCdevice *device, ALvoid *buffer, ALsizei size) ALfloat samp; int fpuState; ALuint i, j, c; - ALsizei e; + ALsizei e, s; #if defined(HAVE_FESETROUND) fpuState = fegetround(); @@ -1126,7 +1105,19 @@ ALvoid aluMixData(ALCdevice *device, ALvoid *buffer, ALsizei size) ALContext = device->Contexts[c]; SuspendContext(ALContext); - MixSomeSources(ALContext, DryBuffer, SamplesToDo); + s = 0; + while(s < ALContext->ActiveSourceCount) + { + ALsource *Source = ALContext->ActiveSources[s]; + if(Source->state != AL_PLAYING) + { + ALsizei end = --(ALContext->ActiveSourceCount); + ALContext->ActiveSources[s] = ALContext->ActiveSources[end]; + continue; + } + MixSource(Source, ALContext, DryBuffer, SamplesToDo); + s++; + } /* effect slot processing */ for(e = 0;e < ALContext->EffectSlotMap.size;e++) |